Model No - Canon Wide Angle EF28mm f/1.8 Lenses

Specifications
Angle of View (Diagonal) : 75?
Angle of View (Horizontal) : 65?
Angle of View (Vertical) : 46?
Closest Focusing Distance (m, ft) : 0.25/0.8
Construction (groups elements) : 9-10
Diameter x Length (mm) (Maximum) : 73.6 x 55.6
Distance Scale : o
Drive System : Ring-type USM
Filter Size (mm) : 58
Maximum Magnification (x) : 0.18
Minimum Aperture : 22
No. of Diaphragm Blades : 7
Water or dust-resistance : -
Weight (g) (Approximately) : 310

With Extender EF1.4XII attached
AF : -
Focal length (mm) : -
IS : -
Maximum aperture (f) : -
Maximum magnification (x) : -

With Extender EF2XII attached
AF : -
Focal length (mm) : -
IS : -
Maximum aperture (f) : -
Maximum magnification (x) : -

Accessories     
Extension Tube EF12 II : 0.61~0.43X
Extension Tube EF25 II : 1.13~0.96X
Gelatin Filter Holder III (Hood III) : 0
Gelatin Filter Holder IV (Hood IV) : 0
Lens Cap : E-58U
Lens Hood : EW-63 II
Lens Pouch or Case : LP814